Dr. Mohammad Pessarakli is a Research Professor and a Teaching Faculty in the School of Plant Sciences, College of Agriculture and Life Sciences at the University of Arizona, Tucson, AZ, USA. His work at the University of Arizona include research and extension services as well as teaching Plants and Our World online course and teaching courses in Turfgrass Science, Management, and Stress Physiology. He is the Editor of the Handbook of Plant and Crop Stress and the Handbook of Plant and Crop Physiology (both titles published by, formerly Marcel Dekker, Inc., currently Taylor and Francis Group, CRC Press), Handbook of Photosynthesis, Handbook of Turfgrass Management and Physiology, and Handbook of Cucurbits. He has written over rwenty book chapters, Editor-in-Chief of the Advances in Plants & Agriculture Research Journal, Editorial Board member of Journal of Plant Nutrition and Communications in Soil Science and Plant Analysis as well as Journal of Agricultural Technology, and a member of the Book Review Committee of Crop Science Society of America, and Reviewer of the Crop Science, Agronomy, Soil Science Society of America, and HortScience Journals. He is the author or co-author of hundred eighty five (185) journal articles and fifty five (55) trade magazine articles. Dr. Pessarakli is an active member of the Agronomy Society of America, Crop Science Society of America, and Soil Science Society of America, among others. He is an executive Board member of the American Association of the University Professors (AAUP), Arizona Chapter. Dr. Pessarakli is a well known Internationally recognized Scientist and Scholar and an esteemed member (invited) of Sterling Who’s Who, Marques Who’s Who, Strathmore Who’s Who, Madison Who’s Who, and Continental Who’s Who as well as numerous honor societies (i.e., Phi Kappa Phi, Gamma Sigma Delta, Pi Lambda Theta, Alpha Alpha Chapter). He is a Certified Professional Agronomist and Certified Professional Soil Scientist (CPAg/SS), designated by the American Registry of the Certified Professionals in Agronomy, Crop Science, and Soil Science. Dr. Pessarakli is a United Nations Consultant in Agriculture for underdeveloped countries. He received the B.S. degree (1977) in Environmental Resources in Agriculture and the M.S. degree (1978) in Soil Management and Crop Production from Arizona State University, Tempe, and the Ph.D. degree (1981) in Soil and Water Science from the University of Arizona, Tucson. Dr. Pessarakli’s environmental stress research work and expertise on plants and crops is internationally recognized. For more information about Dr. Pessarakli, please visit,  http://cals.arizona.edu/spls/content/mohammad   or     http://cals.arizona.edu/spls/people/all